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Firing up Cassandra, OpsCenter and a DataAgent locally on OS X for development. This has some presumptions like the install locations (change to suit your purposes). This also presumes these services have already been configured and run properly without resorting to this script. Add to your path and chmod a+x it.
#!/bin/bash
CASSANDRA_HOME=/opt/apache/cassandra
OPSCENTER_HOME=/opt/apache/opscenter
CASS_LOG_DIR=$CASSANDRA_HOME/logs
CASS_LOGFILE=$CASS_LOG_DIR/system.log
CASS_PIDFILE=$CASSANDRA_HOME/cassandra.pid
OPSCENTER_LOGFILE=$CASS_LOG_DIR/opscenter.log
start_service() {
if [ ! -e $CASS_LOG_DIR ]; then
mkdir -v $CASS_LOG_DIR;
fi
echo -n Starting Cassandra...
if [ -e $CASS_LOGFILE ]; then
mv $CASS_LOGFILE $CASS_LOGFILE.`date "+%Y%m%d-%H%M%S"`
fi
$CASSANDRA_HOME/bin/cassandra -p $CASS_PIDFILE > $CASS_LOGFILE 2>&1
echo OK
echo -n Starting agent...
$OPSCENTER_HOME/agent/bin/datastax-agent
echo OK
if [ -e $OPSCENTER_LOGFILE ]; then
mv $OPSCENTER_LOGFILE $OPSCENTER_LOGFILE.`date "+%Y%m%d-%H%M%S"`
fi
echo -n Starting OpsCenter...
$OPSCENTER_HOME/bin/opscenter > $OPSCENTER_LOGFILE 2>&1 &
echo OK
}
stop_service() {
opc_pid=`pgrep -u $USER -f start_opscenter`
if [ ! -z "$opc_pid" ]; then
echo Stopping OpsCenter.
kill -9 $opc_pid
fi
a_pid=`pgrep -u $USER -f datastax`
if [ ! -z "$a_pid" ]; then
echo Stopping agent.
kill -9 $a_pid
fi
cass_pid=""
if [ -e $CASS_PIDFILE ]; then
cass_pid=`cat $CASS_PIDFILE`
fi
if [ ! -z "$cass_pid" ]; then
echo Stopping Cassandra
kill $cass_pid
rm -f $CASS_PIDFILE
fi
}
service_status() {
if [ -e $CASS_PIDFILE ]; then
echo Cassandra is running PID `cat $CASS_PIDFILE`.
else
echo Cassandra is not running.
fi
pid=`pgrep -u $USER -f datastax`
if [ -z "$pid" ]; then
echo Agent is not running.
else
echo Agent is running PID $pid.
fi
pid=`pgrep -u $USER -f start_opscenter`
if [ -z "$pid" ]; then
echo OpsCenter is not running.
else
echo OpsCenter is running PID $pid.
fi
}
usage() {
echo "
cassandra-service usage:
cassandra-service start|stop|status
"
exit 1
}
if [ -z "$1" ]; then
usage
fi
set -e
case "$1" in
start)
start_service
;;
stop)
stop_service
;;
status)
service_status
;;
*)
echo Unknown command \"$1\"
usage
;;
esac
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